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5 definitions found
 for EMS
From V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016) :

  EMS
         Energy Management System
         

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016) :

  EMS
         Enhanced Messaging Service (mobile-systems)
         

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016) :

  EMS
         Expanded Memory Specification (DOS, Intel)
         

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016) :

  EMS
         European Mathematical Society (org.)
         

From The Free On-line Dictionary of Computing (30 December 2018) :

  Expanded Memory Specification
  EMS
  LIM EMS
  
      (EMS) An IBM PC memory paging scheme enabling
     access to memory other than conventional memory in real
     mode.
  
     Expanded memory is provided through a page frame of at
     least 64 kilobytes in the reserved memory address region.
     Access to this memory is provided by an expanded memory
     manager (EMM) software.  The EMM functions are accessible
     through interrupt 67H.
  
     In 8086 or 8088 based systems this is the only way to use
     memory beyond conventional memory.  In systems based on
     80286 or later, XMS and HMA provide alternative methods.
  
     EMS was developed jointly by Lotus, Intel, and Microsoft
     prior to 1988.  Accordingly, this specification is sometimes
     referred to as LIM EMS.
  
     A complete discussion of EMS and programming examples can be
     found in ["PC System Programming for developers", 1989, ISBN
     1-55755-035-2 (Book only) and ISBN 1-55755-036-0 (Book and
     diskette)].
  
     EEMS, a competing expanded memory management standard, was
     developed by AST Research, Quadram and Ashton-Tate.
  
     See also upper memory block.
  
     (1996-01-10)
  

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